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Finding the Fourth Proportional to 225,137.76, 337,753.76 and 84,895.36

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Solution

The fourth proportional to 225,137.76, 337,753.76 and 84,895.36 is: 127,360.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,137.76 : 337,753.76 = 84,895.36 : x
  2. Step 2: Convert to fraction form
    225,137.76/337,753.76 = 84,895.36/x
  3. Step 3: Cross multiply
    225,137.76x = 337,753.76 × 84,895.36
  4. Step 4: Simplify right side
    225,137.76x = 28,673,727,046.55
  5. Step 5: Solve for x
    x = 28,673,727,046.55/225,137.76
  6. Step 6: Final answer
    x = 127,360.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.